Update and fix some markdown docs

Update and fix some markdown docs

Most importantly the checkout instructions were not rendering
correctly at:
 https://chromium.googlesource.com/native_client/src/native_client/+/master/docs/source.md

Committed: https://chromium.googlesource.com/native_client/src/native_client/+/c1a895441f553a1a239810cdbde15d52e23fa6e3

[Sam Clegg, 2016-10-27 17:14:21]

sbc@chromium.org changed reviewers:
+ bradnelson@chromium.org

[Sam Clegg, 2016-10-27 17:31:16]

The CQ bit was checked by sbc@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-27 17:31:24]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-27 19:27:44]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-27 19:27:44]

Dry run: This issue passed the CQ dry run.

[bradnelson, 2016-10-28 14:43:28]

lgtm

https://codereview.chromium.org/2457813002/diff/1/docs/chromium_integration.md
File docs/chromium_integration.md (right):

https://codereview.chromium.org/2457813002/diff/1/docs/chromium_integration.m...
docs/chromium_integration.md:19: the Chromium executable. (The Gyp build also
has a target to build a standalone
Change this too?

[Sam Clegg, 2016-10-28 16:16:48]

The CQ bit was checked by sbc@chromium.org

[Sam Clegg, 2016-10-28 16:16:49]

The patchset sent to the CQ was uploaded after l-g-t-m from
bradnelson@chromium.org
Link to the patchset: https://codereview.chromium.org/2457813002/#ps20001
(title: ".")

[commit-bot: I haz the power, 2016-10-28 16:16:57]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-28 17:01:51]

Description was changed from

==========
Update and fix some markdown docs

Most importantly the checkout instructions were not rendering
correctly at:

https://chromium.googlesource.com/native_client/src/native_client/+/master/do...
==========

to

==========
Update and fix some markdown docs

Most importantly the checkout instructions were not rendering
correctly at:

https://chromium.googlesource.com/native_client/src/native_client/+/master/do...

Committed:
https://chromium.googlesource.com/native_client/src/native_client/+/c1a895441...
==========

[commit-bot: I haz the power, 2016-10-28 17:01:52]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/native_client/src/native_client/+/c1a895441...